Finding the Fourth Proportional to 252,817,252.06, 379,225,878.09 and 71,064,430.06
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Solution
The fourth proportional to 252,817,252.06, 379,225,878.09 and 71,064,430.06 is: 106,596,645.09
Step by Step Solution
- Step 1: Write the proportion equation
252,817,252.06 : 379,225,878.09 = 71,064,430.06 : x - Step 2: Convert to fraction form
252,817,252.06/379,225,878.09 = 71,064,430.06/x - Step 3: Cross multiply
252,817,252.06x = 379,225,878.09 × 71,064,430.06 - Step 4: Simplify right side
252,817,252.06x = 26,949,470,890,468,892 - Step 5: Solve for x
x = 26,949,470,890,468,892/252,817,252.06 - Step 6: Final answer
x = 106,596,645.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.